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Disclosery

DEERFIELD MANAGEMENT COMPANY, L.P.: INSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DEERFIELD MANAGEMENT COMPANY, L.P. on INSM, newest first. How the timeline and the estimate are built.

DEERFIELD MANAGEMENT COMPANY, L.P. held 0 INSM shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -471,000 shares

    13F-HR 0001213900-26-017265 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 471,000 shares
    Change vs previous 13F -229,700 shares

    1.04% of the 13F portfolio, value $67,828,710.

    13F-HR 0001213900-25-110851 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-06-30
    13F 700,700 shares
    Change vs previous 13F +242,700 shares

    1.28% of the 13F portfolio, value $70,518,448.

    13F-HR 0001213900-25-076586 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-03-31
    13F 458,000 shares
    Change vs previous 13F +458,000 shares

    0.69% of the 13F portfolio, value $34,940,820.

    13F-HR 0001213900-25-044138 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -52,861 shares

    13F-HR 0001213900-25-014236 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-09-30
    13F 52,861 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $3,858,853.

    13F-HR 0001213900-24-098387 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).